Perfect Size Conversion: Designed for 8mm motor shaft to 11mm bore adapter, specially compatible with NMRV030 / RV30 / RV030 worm gear speed reducer gearbox
High-Strength 45# Steel Material: Made of premium 45# carbon steel, high temperature resistant, wear resistant, sturdy and not easy to deform for long service life
Precision Machining: Finely crafted with smooth surface and accurate dimension, ensures tight fit, stable connection and efficient power transmission
Effective Protection: Reduces abrasion between motor shaft and gearbox, effectively protects the worm gear and motor from damage during operation
Wide Application & Reliable Service: Ideal for power transmission equipment modification; if you have any questions, please feel free to contact us for support